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    Subject[ 52/64] thermal: return an error on failure to register thermal class
    Date
    3.8-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Richard Guy Briggs <rbriggs@redhat.com>

    commit da28d966f6aa942ae836d09729f76a1647932309 upstream.

    The return code from the registration of the thermal class is used to
    unallocate resources, but this failure isn't passed back to the caller of
    thermal_init. Return this failure back to the caller.

    This bug was introduced in changeset 4cb18728 which overwrote the return code
    when the variable was re-used to catch the return code of the registration of
    the genetlink thermal socket family.

    Signed-off-by: Richard Guy Briggs <rbriggs@redhat.com>
    Signed-off-by: Zhang Rui <rui.zhang@intel.com>
    Cc: Jonghwan Choi <jhbird.choi@samsung.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/thermal/thermal_sys.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/thermal/thermal_sys.c
    +++ b/drivers/thermal/thermal_sys.c
    @@ -1807,6 +1807,7 @@ static int __init thermal_init(void)
    idr_destroy(&thermal_cdev_idr);
    mutex_destroy(&thermal_idr_lock);
    mutex_destroy(&thermal_list_lock);
    + return result;
    }
    result = genetlink_init();
    return result;



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